pericentre
astronomy
Also known as: periapsis
Learn about this topic in these articles:
relationship to apse
- In apse
…nearest the focus is the pericentre, or periapsis, and that farthest from it is the apocentre, or apoapsis. Specific terms can be used for individual bodies: if the Sun is the centre, the specific terms perihelion and aphelion are generally used; if the Earth, perigee and apogee. Periastron and apastron…
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